1. Feeling unhappy or tired
2. A word you use to express that you are bored
3. Being unsatisfyed after any given situation

1. Betty: "How are you today Bob?"
Bob: "Ugh."
2. "There is NOTHING to do today! Its dreary and rainy outside and im so UGH!"
3. Betty: "...so then he just walked away like it was all MY fault and i didnt know what to do after that... it was just... ugh"